<template>
  <div>
    <div class="filter-container" v-if="!listLoading">
      <el-row :gutter="20">
        <el-col :span="2">
          <el-button class="filter-item" style="margin-left: 10px;" @click="handleRefresh" type="primary">点我刷新</el-button>
        </el-col>
        <el-col :span="2" v-for="(item, index) in headButton" :key="index">
          <el-button class="filter-item"
                     :type="item.buttonType || 'primary'"
                     :size="item.buttonSize || 'small'"
                     @click="item.buttonClick"
          >{{item.buttonText}}</el-button>
        </el-col>
        <el-col :span="6">
          <el-input
            placeholder="请输入关键字"
            icon="search"
            v-model="query.keyword"
            :on-icon-click="loadTable">
          </el-input>
        </el-col>
        <el-col v-for="(item, index) in searchExtend" :key="index" :span="item.span || 4">
          <el-select  filterable v-model="item.valueModel" @change="loadTable" :placeholder="item.placeholder || '请选择'">
            <el-option value="" label="全部"></el-option>
            <el-option
              v-for="i in item.option"
              :key="i.value"
              :label="i.label"
              :value="i.value"
            >
            </el-option>
          </el-select>
        </el-col>
      </el-row>
    </div>
    <el-table v-loading="listLoading" :data="tableData" border style="width: 100%">
      <el-table-column v-for="(item, index) in rawOption"
                         :key="index"
                         :formatter="item.formatter"
                         :label="item.label"
                         :width="item.width"
                         :prop="item.propName">
          >
        </el-table-column>
      <el-table-column label="操作" v-if="operation">
        <template scope="scope">
          <el-button v-for="(item, index) in operation"
                     :key="index"
                     :type="item.buttonType || 'primary'"
                     :size="item.buttonSize || 'small'"
                     @click="item.buttonClick(scope.row)"
          >{{item.buttonText}}</el-button>
        </template>
      </el-table-column>

    </el-table>
    <div class="pagination-container" v-if="!listLoading">
      <el-pagination
        layout="total, sizes, prev, pager, next, jumper"
        :total="query.pagination.total"
        :page-sizes="[5, 10, 15, 20, 30]"
        :page-size="query.pagination.per_page"
        :current-page.sync="query.pagination.current_page"
        @size-change="handleSizeChange"
        @current-change="handleCurrentChange"
      >
      </el-pagination>
    </div>

  </div>
</template>

<script>
import _ from 'lodash'
import fetch from 'utils/fetch'

const paramsFilter = (params) => {
  const array = []
  _.forIn(params, (value, key) => {
    if (value) array.push(key)
  })
  return _.pick(params, array)
}

export default {
  name: 'table_demo',
  data() {
    return {
      //        列表数据
      tableData: null,
      //        页码
      total: null,
      //        顶部loading条
      listLoading: true,
      //        搜索条件
      listQuery: {
        page: 1,
        limit: 5,
        importance: undefined,
        title: undefined,
        type: undefined
      },
      importanceOptions: [1, 2, 3],
      pvData: [],
      tableKey: 0,
      updateId: null,
      query: {
        pagination: {
          total: 0,
          page: 1,
          per_page: 10
        },
        keyword: ''
      }
    }
  },
  props: {
    searchExtend: {
      type: Array
    },
    requestUrl: {
      type: String,
      required: true
    },
    rawOption: {
      type: Array,
      required: true
    },
    operation: {
      type: Array
    },
    headButton: {
      type: Array
    }
  },
  mounted() {
    this.loadTable()
  },
  methods: {
    async loadTable() {
      this.listLoading = true
      const params = {
        page: this.query.pagination.current_page,
        per_page: this.query.pagination.per_page,
        keyword: this.query.keyword
      }
      if (this.searchExtend) {
        this.searchExtend.forEach((item) => {
          params[item.searchWord] = item.valueModel
        })
      }
      const res = await fetch({
        url: this.requestUrl,
        method: 'get',
        params: paramsFilter(params)
      })
      this.listLoading = false
      this.tableData = res.data
      this.query.pagination = res.meta.pagination
    },
    handleSizeChange(val) {
      this.query.pagination.per_page = val
      this.loadTable()
    },
    handleCurrentChange(val) {
      this.query.pagination.current_page = val
      this.loadTable()
    },
    handleTurnCard(row) {
      this.dialogStatus = 'turnCard'
      this.dialogFormVisible = true
    },
    handleUpdate(row) {
      1
      this.updateCardFormVisible = true
      this.updateId = row.id
    },
    updateCardReloadList() {
      this.updateCardFormVisible = false
      this.loadTable()
    },
    handleRefresh() {
      this.loadTable()
    }
  }
}
</script>
